Design: Upper features double-strapped polyester jacquard webbing Toe loop to help secure sandal Adjustable heel risers with high-tensile webbing Ladder lock, injection-molded buckle for secure closure In-Shoe Comfort: Chaco Cloud cushioning for active comfort Cushiony LUVSEAT™ footbed with PU midsole Durability & Traction: Non-marking ChacoGrip™ rubber outsole with 3mm lugs Chaco Women's ZX/2 Cloud Sandals